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C++ Program to Rearrange array such that arr[i] >= arr[j] if i is even and arr[i]<=arr[j] if i is odd and j < i

Last Updated: 23 July 2025

Given an array of n elements. Our task is to write a program to rearrange the array such that elements at even positions are greater than all elements before it and elemen...read more

C++

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array-rearrange

Java Program to Rearrange array such that arr[i] >= arr[j] if i is even and arr[i]<=arr[j] if i is odd and j < i

Last Updated: 23 July 2025

Given an array of n elements. Our task is to write a program to rearrange the array such that elements at even positions are greater than all elements before it and elemen...read more

Java

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array-rearrange

Python3 Program to Rearrange array such that arr[i] >= arr[j] if i is even and arr[i]<=arr[j] if i is odd and j < i

Last Updated: 23 July 2025

Given an array of n elements. Our task is to write a program to rearrange the array such that elements at even positions are greater than all elements before it and elemen...read more

Python

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array-rearrange

PHP Program to Rearrange Array Such That arr[i] >= arr[j] if i is Even and arr[i]<=arr[j] if i is Odd and j < i

Last Updated: 23 July 2025

Given an array of n elements. Our task is to write a program to rearrange the array such that elements at even positions are greater than all elements before it and elemen...read more

PHP

Sorting Quiz

array-rearrange

Javascript Program to Rearrange array such that arr[i] >= arr[j] if i is even and arr[i]<=arr[j] if i is odd and j < i

Last Updated: 23 July 2025

Given an array of n elements. Our task is to write a program to rearrange the array such that elements at even positions are greater than all elements before it and elemen...read more

JavaScript

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array-rearrange

Gnome Sort Visualizer using JavaScript

Last Updated: 23 July 2025

In this article, we are going to learn Gnome sort Visualizer using javascript, Gnome Sort also called Stupid sort, is based on the concept of a Garden Gnome sorting his fl...read more

Sorting boundary elements of a matrix

Last Updated: 15 July 2025

Given a matrix mat[][] of size M*N, the task is to sort only the border elements of the matrix in the clockwise direction and print the matrix after sorting again.Examples...read more

DSA

Sorting Quiz

Python | Sorting string using order defined by another string

Last Updated: 27 September 2022

Given two strings (of lowercase letters), a pattern and a string. The task is to sort string according to the order defined by pattern and return the reverse of it. It may...read more

Python

Sorting Quiz

python-lambda

Python string-programs

Python-sort

Check if the array can be sorted using swaps between given indices only

Last Updated: 25 November 2023

Given an array arr[] of size N consisting of distinct integers from range [0, N - 1] arranged in a random order. Also given a few pairs where each pair denotes the indices...read more

Find a pair from the given array with maximum nCr value

Last Updated: 07 May 2025

Given an array arr[] of n positive integers. The task is to find elements arr[i] and arr[j] from the array such that arr[i]Carr[j] is maximum possible. In case of more tha...read more

Mathematical

Combinatorial

Advanced Data Structure

DSA

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Distinct state codes that appear in a string as contiguous sub-strings

Last Updated: 11 July 2025

Every state is represented by string of length 2. For example DL is used for Delhi, HP for Himachal Pradesh, UP for Uttar Pradesh, PB for Punjab etc.Given a string str con...read more

Schedule elevator to reduce the total time taken

Last Updated: 01 June 2022

Given an integer k and an array arr[] representing the destination floors for N people waiting currently at the ground floor and k is the capacity of the elevator i.e. max...read more

DSA

Sorting Quiz

Arrays

Select numbers in such way to maximize the amount of money

Last Updated: 16 June 2022

Given two arrays A1 and A2 of N numbers. There are two people A and B who select numbers out of N. If A selects i-th number, then he will be paid A1[i] amount of money and...read more

DSA

Sorting Quiz

Minimize the sum of squares of sum of N/2 paired formed by N numbers

Last Updated: 16 September 2022

Given N numbers(N is an even number). Divide the N numbers into N/2 pairs in such a way that the sum of squares of the sum of numbers in pairs is minimal. The task is to p...read more

DSA

Sorting Quiz

Array Manipulation and Sum

Last Updated: 16 September 2022

Given an array arr[] of N integers and an integer S. The task is to find an element K in the array such that if all the elements from the array K are made equal to K then...read more

DSA

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